I used to love this app - what happened!?

This used to be my go to app, I could put it on my iPhone or iPad, set the threshold and barking would trigger it. Now, I cant turn on the bark detector, or change any of the settings as I used to - which makes the app completely useless. Ive deleted it and reinstalled it numerous times and nothing works. Will these issues be resolved?

Lalosangeles about Dog Whistle, v2.0